TY JOUR TI Application of electrical tomography technique for landslide investigation: Case of the Kef Essenoun phosphate deposit, Djebel Onk (Northeastern Algeria) KW landslide KW Kef Essenoun KW electrical tomography KW resistivity KW crack JO Russian Journal of Earth Sciences AU Salah, S.. AU Ismail, N.. AU Mohamed Cherif, D.. PY 2023 IS 23 PB Geophysical Center of the Russian Academy of Sciences